From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next] net dst: use a percpu_counter to track entries
Date: Mon, 11 Oct 2010 13:07:58 -0700 (PDT)
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 08 Oct 2010 18:37:34 +0200

> struct dst_ops tracks number of allocated dst in an atomic_t field,
> subject to high cache line contention in stress workload.
> 
> Switch to a percpu_counter, to reduce number of time we need to dirty a
> central location. Place it on a separate cache line to avoid dirtying
> read only fields.
 ...
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>

When I first read the subject line for this patch, I was
scared, because I thought you were using a percpu counter
for dst entry refcounts :-)

Anyways this is fine, applied, thanks!